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Glyptemys valentinensis
Taxonomy
Glyptemys valentinensis was named by Holman and Fritz (2001). Its type specimen is UNSM 76564, a carapace (mostly complete carapace), and it is a 3D body fossil. Its type locality is Valentine Railway Quarries, which is in a Barstovian terrestrial horizon in the Valentine Formation of Nebraska.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Glyptemys valentinensis Holman and Fritz p. 325 |
| 2018 | Glyptemys valentinensis Vlachos |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Glyptemys valentinensis Holman and Fritz 2001
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Vlachos 2018 | Glyptemys valentinensis can be diagnosed as a member of Pan-Emydidae based on the full list of characters listed for that clade above and as a member of Glyptemys based on the presence of a bell-shaped entoplastron. Glyptemys valentinensis can be differentiated from Glyptemys insculpta by smaller size, a more flattened shell, anteriorly-directed carapace striations, lack of pyramidal carapace sculpturing, a less flared and unserrated posterior carapacial margin, a flat cervical scute, a V-shaped groove on the visceral side of the nuchal, and a wide vertebral I that contacts marginal II. |